| Records |
| Author |
Wolkersdorfer, C. |
| Title |
Mine water tracing |
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Journal Article |
| Year |
2002 |
Publication |
Geological Society Special Publication |
Abbreviated Journal |
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| Volume |
- |
Issue |
198 |
Pages |
47-60 |
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Groundwater problems and environmental effects Pollution and waste management non radioactive geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) flooding seepage abandoned mine tracer groundwater flow |
| Abstract |
This paper describes how tracer tests can be used in flooded underground mines to evaluate the hydrodynamic conditions or reliability of dams. Mine water tracer tests are conducted in order to evaluate the flow paths of seepage water, connections from the surface to the mine, and to support remediation plans for abandoned and flooded underground mines. There are only a few descriptions of successful tracer tests in the literature, and experience with mine water tracing is limited. Potential tracers are restricted due to the complicated chemical composition or low pH mine waters. A new injection and sampling method ('LydiA'-technique) overcomes some of the problems in mine water tracing. A successful tracer test from the Harz Mountains in Germany with Lycopodium clavatum, microspheres and sodium chloride is described, and the results of 29 mine water tracer tests indicate mean flow velocities of between 0.3 and 1.7 m min-1. |
| Address |
C. Wolkersdorfer, TU Bergakademie Freiberg, Lehrstuhl fur Hydrogeologie, Gustav-Zeuner-Strasse 12, Freiberg, Sachsen D-09599, Germany c.wolke@tu-freiberg.de |
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0305-8719 |
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Mine water tracing; 2463597; United-Kingdom 71; Geobase |
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CBU @ c.wolke @ 17528 |
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83 |
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Scholz, M. |
| Title |
Mature experimental constructed wetlands treating urban water receiving high metal loads |
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Journal Article |
| Year |
2002 |
Publication |
Biotechnology Progress |
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| Volume |
18 |
Issue |
6 |
Pages |
1257-1264 |
| Keywords |
mine water treatment |
| Abstract |
The aim was to assess over 2 years the treatment efficiencies of vertical-flow wetland filters containing macrophytes and granular media of different. adsorption capacities. Different concentrations of lead and copper sulfate (constant for 1 year each) were added to urban beck inflow water in order to simulate pretreated (pH adjustment assumed) mine wastewater. After 1 year of operation, the inflow concentrations for lead and copper were increased from 1.30 to 2.98 and from 0.98 to 1.93 mg/L, respectively. However, the metal mass load rates (mg/m(2)/d) were increased by a factor of approximately 4.9 for lead and 4.3 for copper. No breakthrough of metals was recorded. Lead and copper accumulated in the biomass of the litter zone and rhizomes of the macrophytes. Furthermore, microbiological activity decreased during the second year of operation. Bioindicators such as ciliated protozoa and zooplankton decreased sharply in numbers but diatoms increased. In conclusion, the use of macrophytes and, adsorption media did not significantly enhance the filtration of lead and copper. Particulate lead is removed by filtration processes including straining. Furthermore, some expensive and time-consuming water quality variables can be predicted with less expensive ones such as temperature in order to reduce sampling costs. |
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Mature experimental constructed wetlands treating urban water receiving high metal loads; Wos:000179760000018; Times Cited: 11; ISI Web of Science |
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CBU @ c.wolke @ 17032 |
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119 |
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Lawrence, R. |
| Title |
Technology reduces sulphur compounds – A new way of treating acid mine drainage |
Type |
Journal Article |
| Year |
2002 |
Publication |
Canadian Mining Journal |
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123 |
Issue |
7 |
Pages |
27-27 |
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mine water treatment |
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Technology reduces sulphur compounds – A new way of treating acid mine drainage; Wos:000179123100016; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8075 |
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120 |
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| Author |
Scholz, M. |
| Title |
Performance comparison of experimental constructed wetlands with different filter media and macrophytes treating industrial wastewater contaminated with lead and copper |
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Journal Article |
| Year |
2002 |
Publication |
Bioresource Technology |
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83 |
Issue |
2 |
Pages |
71-79 |
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mine water treatment |
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The aim of this study was to investigate the treatment efficiency of passive vertical-flow wetland filters containing different macrophytes (Phragmites and/or Typha) and granular media with different adsorption capacities. Gravel, sand, granular activated carbon, charcoal and Filtralite (light expanded clay) were used as filter media. Different concentrations of lead and copper sulfate were added to polluted urban stream inflow water to simulate pretreated mine wastewater. The relationships between growth media, microbial and plant communities as well as the reduction of predominantly lead, copper and five-day biochemical oxygen demand (BOD5) were investigated. An analysis of variance showed that concentration reductions (mg 1(-1)) of lead, copper and BOD5 were significantly similar for the six experimental wetlands. Microbial diversity was low due to metal pollution and similar for all filters. There appears to be no additional benefit in using adsorption media and macrophytes to enhance biomass performance during the first 10 months of operation. (C) 2002 Elsevier Science Ltd. All rights reserved. |
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Performance comparison of experimental constructed wetlands with different filter media and macrophytes treating industrial wastewater contaminated with lead and copper; Wos:000175574600001; Times Cited: 5; ISI Web of Science |
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CBU @ c.wolke @ 17031 |
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121 |
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| Author |
Groudev, S.N. |
| Title |
Treatment of acid mine drainage by a natural wetland |
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Journal Article |
| Year |
2002 |
Publication |
Wetlands and Remediation Ii |
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133-139 |
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mine water treatment |
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Acid drainage waters generated in the copper ore deposit Elshitza. Central Bulgaria, were treated by a natural wetland located in the deposit. The waters had a pH in the range of about 2.5 – 3.5 and contained copper, cadmium, arsenic, iron, manganese and sulphates as main pollutants. The watercourse through the wetland covered a distance of about 100 in and the water flow rate varied in the range of about 0.5 – 2.0 1/s. The wetland was characterized by an abundant water and emergent vegetation and a diverse microflora. Phragmites communis was the prevalent plant species in the wetland but species of the genera Scirpus, Typha, Juncus, Carex and Poa as well as different algae were also well present. It was found that an efficient removal of the pollutants was achieved and their residual concentrations in the wetland effluents were decreased below the relevant permissible levels for water intended for use in the agriculture and/or industry. The removal was clue to different processes but the microbial dissimilatory sulphate reduction and the sorption of pollutants by the organic matter and clay minerals present in the wetland played the main role. Negative effects of the pollutants on the growth and activity of the indigenous plant and microbial communities were not observed. |
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Treatment of acid mine drainage by a natural wetland; Isip:000175585500017; Times Cited: 0; ISI Web of Science |
Approved |
no |
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CBU @ c.wolke @ 17039 |
Serial |
159 |
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